493903771812 has 36 divisors (see below), whose sum is σ = 1361977068816. Its totient is φ = 149667809520.

The previous prime is 493903771811. The next prime is 493903771831. The reversal of 493903771812 is 218177309394.

493903771812 is a `hidden beast` number, since 4 + 9 + 3 + 90 + 377 + 181 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (493903771811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 623615478 + ... + 623616269.

It is an arithmetic number, because the mean of its divisors is an integer number (37832696356).

Almost surely, 2^493903771812 is an apocalyptic number.

It is an amenable number.

493903771812 is an abundant number, since it is smaller than the sum of its proper divisors (868073297004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

493903771812 is a wasteful number, since it uses less digits than its factorization.

493903771812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247231768 (or 1247231763 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 493903771812 in words is "four hundred ninety-three billion, nine hundred three million, seven hundred seventy-one thousand, eight hundred twelve".